Definition: when compared to a particular fact Level: C1
对于她的年龄来说，她相当高。
She's quite tall ___for her age.
对于她的年龄来说，这些书相当有挑战性。
The books are quite challenging ___for her age.
对于他的年纪来说，他非常成熟。
He's very mature ___for his years.
